the api-server shows when starting:
clearml-apiserver | [2021-07-13 11:09:34,552] [9] [INFO] [clearml.es_factory] Using override elastic host clearml-apiserver | [2021-07-13 11:09:34,552] [9] [INFO] [clearml.es_factory] Using override elastic port 9200 ... clearml-apiserver | [2021-07-13 11:09:38,407] [9] [WARNING] [clearml.initialize] Could not connect to ElasticSearch Service. Retry 1 of 4. Waiting for 30sec clearml-apiserver | [2021-07-13 11:10:08,414] [9] [WARNING] [clearml.initialize] Could not connect to ElasticSearch Service. Retry 2 of 4. Waiting for 30sec clearml-apiserver | [2021-07-13 11:10:38,443] [9] [WARNING] [clearml.initialize] Could not connect to ElasticSearch Service. Retry 3 of 4. Waiting for 30sec clearml-apiserver | [2021-07-13 11:11:08,468] [9] [ERROR] [clearml.app_sequence] Error connecting to Elasticsearch: ConnectionError(<urllib3.connection.HTTPConnection object at 0x7f4866d5f6a0>: Failed to establish a new connection: [Errno -2] Name or service not known) caused by: NewConnectionError(<urllib3.connection.HTTPConnection object at 0x7f4866d5f6a0>: Failed to establish a new connection: [Errno -2] Name or service not known) clearml-apiserver | Traceback (most recent call last): clearml-apiserver | File "/usr/lib64/python3.6/runpy.py", line 193, in _run_module_as_main clearml-apiserver | "__main__", mod_spec) clearml-apiserver | File "/usr/lib64/python3.6/runpy.py", line 85, in _run_code clearml-apiserver | exec(code, run_globals) clearml-apiserver | File "/opt/clearml/apiserver/server.py", line 10, in <module> clearml-apiserver | AppSequence(app).start(request_handlers=RequestHandlers()) clearml-apiserver | File "/opt/clearml/apiserver/server_init/app_sequence.py", line 40, in start clearml-apiserver | self._init_dbs() clearml-apiserver | File "/opt/clearml/apiserver/server_init/app_sequence.py", line 90, in _init_dbs clearml-apiserver | and get_last_server_version() < Version("0.16.0") clearml-apiserver | TypeError: '<' not supported between instances of 'Version' and 'Version'